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DIA vs SPY: Performance & Backtest Comparison
SPY delivered the higher return - 10.95% CAGR vs 10.23% - over 2005-03-31 → 2026-06-30.
Growth comparison
Drawdown
Annual returns
| DIA | SPY | |
|---|---|---|
| Name | State Street SPDR Dow Jones Industrial Average ETF Trust | State Street SPDR S&P 500 ETF Trust |
| CAGR | 10.23% | 10.95% |
| Total return | 698.81% | 818.17% |
| Volatility | 14.36% | 14.92% |
| Max drawdown | -46.71%Feb 2009 | -50.78%Feb 2009 |
| Sharpe | 0.63 | 0.66 |
| Sortino | 0.90 | 0.89 |
| Best year | 29.64% | 32.31% |
| Worst year | -31.86% | -36.79% |
| Final balance | $79,881 | $91,817 |
Correlation of monthly returns: 0.95. Wondering if you need both? Check their fund overlap →
All figures are total returns: every dividend and distribution is reinvested on its ex-date, and prices are split-adjusted. See the methodology.
Frequently asked questions
Which has performed better, DIA or SPY?
Over 2005-03-31 to 2026-06-30, SPY performed better: 10.95% annualized versus 10.23% for DIA, with dividends reinvested. Past performance does not guarantee future results.
How similar are DIA and SPY?
Their monthly returns have a correlation of 0.95 over the common period. DIA is State Street SPDR Dow Jones Industrial Average ETF Trust; SPY is State Street SPDR S&P 500 ETF Trust.
Which is riskier, DIA or SPY?
Over the common period DIA had 14.36% annualized volatility and a -46.71% max drawdown, versus 14.92% and -50.78% for SPY.